In the early seventeenth century, individual Danish immigrants became established in North America. In the 1640s, 50 percent of the 1,000 people living in New Netherlands, now New York, were Danes. After 1750, Danish families in the ProtestantMoravian Brethren denomination immigrated to Pennsylvania, where they settled in the Bethlehem area alongside German Moravians. Until 1850, most Danes who emigrated to North America were unmarried men. During this period, some Danes achieved notability and recognition. Among them were Hans Christian Febiger (1749–1796), one of George Washington's most trusted officers during the American Revolution, Charles Zanco (1808–1836) who died at the Alamo in March 1836 in the struggle for Texan independence, and Peter Lassen (1800–1859), a blacksmith from Copenhagen who led a group of adventurers from Missouri to California in 1839. The trail established by Lassen was followed by the "forty-niners" during the California Gold Rush. Lassen is considered one of the most important early settlers of California.

From 1820 and 1850, about 60 Danes settled in the United States every year. Between 1820 and 1990 there was a population of 375,000 Danes; a vast majority of whom emigrated between 1860 and 1930 The greatest Danish emigration occurred in 1882 when 11,618 Danes settled in the United States.

The first significant wave of Danish immigrants consisted mainly of The Church of Jesus Christ of Latter-day Saints (LDS Church) members who settled in United States in 1850. They settled in the newly acquired state of Utah, which had been under Mexican control until 1848. There were 17,000 such immigrants, many of these settled in small farming communities in the Sanpete and Sevier counties. Today, these counties respectively have the second and fifth largest percentages of Danish Americans in the United States.

Between 1864 and 1920, 50,000 Danes emigrated from Schleswig, Jutland, where the use of Danish language was banned in schools following the Danish defeat in the Second Schleswig War and Prussia seizing control. They were called North Slesvigers, however, most of these Danes are recorded in the census statistics as immigrants from Germany rather than Denmark. Most Danes who immigrated to the United States after 1865 did so for economic reasons. By 1865, there had been a large increase in the Danish population in Europe because of the improvement in the medicine and food industries. It caused a high rate of poverty and ultimately resulted in a significant and rapid increase in Danish migration to other countries. Another reason for migration was the sale of lands. Many Danes became farmers in the United States. During the 1870s, almost half of all Danish immigrants to the United States settled in family groups. By the 1890s, family immigration made up only of 25 percent of the total. It has been suggested that many of these immigrants eventually returned to Denmark.[2]

Danish Americans who continue to speak the Danish language number about 30,000. According to the 2000 US Census Bureau, 33,400 people spoke Danish at home; that figure was down to 29,467 5 years later (2005 American Community Survey). This decrease rate was about 11.8%.[3]

The Library of Congress has noted that Danish Americans, more so than other Scandinavian Americans, "spread nationwide and comparatively quickly disappeared into the melting pot....the Danes were the least cohesive group and the first to lose consciousness of their origins."[4] Historians have pointed to the higher rate of English use among Danes, their willingness to marry non-Danes, and their eagerness to become naturalized citizens as factors that contributed to their rapid assimilation, as well as their interactions with the already more assimilated German American community.[2]

Much that is regarded as "Danish" national culture today was not widespread in the psyche of Danish emigrants during the nineteenth century immigration to the United States. It would take the European nationalism and class struggles of the late nineteenth century to effectively seed the ideas of a distinctive national cultural personality. While many Danish emigrants to the U.S.A. fared far better economically than emigrants from Eastern Europe, a deep cultural awareness of Danish literature, with popular fiction authors such as Hans Christian Andersen, did not exist among the agrarian bønder or common people of Denmark. Exceptions exist, of course; primary among these are a rich heritage of folklore, an affinity to art, and regional traditions involving food and feast days.

As the Danes came to America, they brought with them their traditional foods. Popular Danish cuisine includes kringle (almond paste pastry), Wienerbrød and fastelavnsboller or Danish pastry (what Americans call breakfast "Danish"), æbleskiver (puffed pan cakes), frikadeller (Danish veal and pork meatballs), flæskesteg (pork roast), and risengrød (rice pudding). Despite the perceived importance of beer in modern Danish national culture, Danish immigrants were largely unsuccessful in penetrating the competitive American beer industry, which was saturated by immigrant German and Czech brew masters.

Snow College, located in Ephraim, Utah in Sanpete County, Utah, holds an annual Scandinavian Festival to honor their heritage and Danish as well as immigrants from other Scandinavian countries. [6] The festival is held during two days in May. "And it expresses the warmth you’ll feel as you visit with us. You see, many of us are descendants of the plucky Scandinavians who crossed ocean and plain to settle our gorgeous valley. That proud past is part of our everyday lives. And we delight in sharing it with visitors." [6] It features costumes, dancing, storytelling, entertainment, historical tours, craft and food booths.

The one major still-operating historically Danish American college is Grand View University, founded in 1896 in Des Moines, Iowa. Grand View University continues to maintain a large archival collection of Danish American history. Another institution, Dana College in Blair, Nebraska, operated from 1884 until 2010, but closed its doors in July 2010 due to failing enrollment. The Danish American Archive and Library that once resided at Dana College is now independently situated in Blair. The archive contains the country’s largest and broadest collection of materials relating to the life experience, cultural heritage and vital contributions to North America of the people of Danish extraction.

In addition, a large number of Danish Americans belong to The Church of Jesus Christ of Latter-day Saints. Between 1849 and 1904, some 17,000 Danish Mormons and their children made the journey to the Church's settlements in Utah, making Danes second only to the British in number of foreigners recruited by the church to the state.

Nebraska, Iowa, Minnesota and Wisconsin have the largest concentrations of non-Mormon Danish Americans. The states with the largest Mormon Danish American populations are Utah and Idaho—and in the case of Idaho, particularly the southeastern part of the state.

Two cities, Chicago and Racine, Wisconsin, claim to be the home to the largest group of Danish Americans in the United States. Racine, 25 miles south of Milwaukee has the largest concentration of city dwellers with Danish origin. A number of other communities were founded by Danish Americans or have a large Danish American community, including:

Sculptor Gutzon Borglum provided a staple of modern Americana when he chiseled Mount Rushmore in the Black Hills of South Dakota. His brother, sculptor Solon Borglum, also gained fame for his representations of the American frontier. Another Danish-American sculptor of note is Christian Petersen, who was born in Denmark and emigrated with his family to New Jersey, where his interest in beaux-arts style sculpture began. Many of his well-known sculptures arose out of his later migration to the Midwest and teaching at Iowa State University. Among America's earliest oil painters of merit is Amadeus Christian Gullager, a premier painter in early Federal America, who also worked in terra cotta. The marine painters Antonio Jacobsen and Emil Carlsen left a considerable body of work which continues to draw strong art auction prices. Several Danish artists settled in the American West where they left their mark on the regional artistic genre. Not least among this group is counted Olaf Wieghorst, called the "Dean of Western Painters," and Olaf Seltzer. Johann Berthelsen was a prominent and prolific Impressionist painter known for his urban scenes, especially those of New York City. On the less formal level, Carl Christian Anton Christensen, is America's Danish-American equivalent of "Grandma Moses." Another early Danish-American artisan was Peter Hanson, a landscape painter, tulip authority, and daguerreian. Hanson was born in Denmark in 1821 and came to America c. 1847, when he settled in Brooklyn, NY, with a photography studio in the Bowery. Roland Petersen born in Endelave, Denmark in 1926, are Americans painter and printmaker. He is known for his distinctive and recognizable style of intaglio printmaking. Peter Sekaer (born Peter Ingemann Sekjær (1901) was a Danish-American photographer and artist. Born in Copenhagen, Denmark, Sekaer came to New York in 1918 to seek freedom and opportunity. By 1922 he acquired a reputation as a master sign painter and later as a master photographer documenting the New Deal and the plight of America's Depression Era. William Mortensen, born to Danish immigrant parents in Park City, Utah, became a famous American art photographer, primarily known for his Hollywood portraits in the 1920s-1940s in the pictorialist style.

The three Christensen brothers: Lew, Harold, and Willam are well known in the history of American ballet. The three carved out careers as choreographers, teachers and directors, and clearly helped ballet flourish in the United States. Willam Christensen (1902–2001) especially, was the founder of the San Francisco Ballet. The three brothers were born into a Danish-American Mormon family in Brigham City, Utah.

In the early American decorative arts, one Danish-Afro-American stands out in particular - the accomplished Danish West Indies silversmith Peter Bentzon, who produced his masterpieces on both St. Croix and in Philadelphia. Jens Risom a craftsman from Copenhagen, who emigrated in 1939, is renowned for his furniture design, as co-founder of the Hans Knoll Furniture Company, and as a trustee at the Rhode Island School of Design. Tage Frid, another Danish furniture designer, who came to the United States in 1948, is likewise known for his wood furniture design and professorship at the Rhode Island School of Design from 1962-1985. In the field of metalsmithing, John Prip, who was born in New York to a Danish father and an American mother, performed his apprenticeship in Denmark and returned to the United States where he became known for his silverwork and design. Many years after creation, some of Prip's designs are still in production by the Reed & Barton Silver Company. Prip taught at both the Rochester Institute of Technology and the Rhode Island School of Design.

James J. Ward (born in Denmark as Jens P. Wilson) stands as an early pioneer aviator and biplane exhibition flyer. He was among those who attempted the first transcontinental (New York to San Francisco) air race in 1911.

Oscar Mathæus Nielsen, also known as Oscar Battling Nelson, was a Danish boxer who held the world lightweight championship on two separate occasions. He was nicknamed "the Durable Dane". Nelson was born in Copenhagen, Denmark, and emigrated to the United States in 1883. Another boxer, Peter "Black Prince" Jackson (1861–1901) was a heavyweight boxer free-born in Christiansted on the island Saint Croix, which was then the capital of the Danish West Indies. Later he emigrated to Australia in 1880 before becoming a boxer of international renown. Morten Andersen holds the distinction of being the all-time leading scorer in NFL history and the all-time leading scorer for two different teams.

George Nissen was an Americansgymnast and inventor who developed the modern trampoline and made trampolining a worldwide sport. Related to American sports culture, competitive swimming and sports apparel have never been the same since Danish-American Carl C. Jantzen and his partners founded the Jantzen Knitting Works in Portland, Oregon, in 1910.

Carl Busch readily stands out as a Danish-American composer who embraced new musical themes, taking his artistic inspiration from "Western" Native-American tribal themes and melodies. The Danish-American tubist Anders Christian August Helleberg is remembered as not only a great symphony musician and virtuoso, but his Helleberg mouthpieces, which he developed, are still used throughout the world. Mose Christensen was a noted American violinist; he became a founder and conductor of the Oregon Symphony. A native of Salt Lake, Utah, Christensen's father emigrated from Denmark with the wave of Mormon pioneers in the early 1850s. Kai Winding was a popular trombonist and jazz composer.

The Barrison Sisters were a risqué Vaudeville act who performed in the United States and Europe from about 1891 to 1900, advertised as The Wickedest Girls In the World. The sisters, whose birth name was Bareisen, emigrated with their mother to the United States in 1886, joining their father who immigrated earlier. Victor Borge, known as the Great Dane and Clown Prince of Denmark, gained fame for his offbeat comedy and music routines. Buddy Ebsen, actor known from The Beverly Hillbilliesfish-out-of-water TV series had a Danish father and Latvian mother. Lauritz Melchior was a Danish and later American opera singer. He was the pre-eminent Wagnerian tenor of the 1920s, 1930s, and 1940s, and has since come to be considered the quintessence of his voice type. His son, Ib Melchior is a famous screenwriter, dealing with science-fiction. Michael J. Nelson well known as the head writer of the series Mystery Science Theater 3000 and currently Rifftrax. Christine Jorgensen (born George William Jorgensen, Jr. in New York City to Danish immigrant parents), obtained a sex-change operation in Denmark in 1952 and made a celebrated return to the USA in 1953, after which she gave lectures, acted, and sang in nightclubs to the applause of ‘I Enjoy Being a Girl.’ Jorgensen's autobiography was made into a film and she became a spokesperson for transsexual and transgender people.

Soren Sorensen Adams, who was known as "king of the professional pranksters," was an inventor and manufacturer of novelty products, including the Joy Buzzer. He was born near Aarhus, Denmark in 1879 to Hans and Sofia Sørensen, and emigrated to the US with his family at age four. He grew up in Perth Amboy, New Jersey. His other contributions to American popular culture include: Cachoo Sneezing Powder, the Exploding Cigarette Box, the Snake Nut Can, Itching Powder, the Stink bomb, and the Dribble glass

Jacob Riis, a prominent socially conscious journalist and photographer, used his influence to help the less fortunate of New York City with his implementation of "model tenements. " As one of the first American photographers to use flash, he is also considered a pioneer in photo journalism.

William Leidesdorff, the son of a Danish West Indies planter and an African mother, arrived in San Francisco in 1841 and became both wealthy and arguably the first mixed-race U.S. diplomat in United States history. As the United States subconsul, he played a significant role in the turnover of Mexican California to the United States. Charles Walhart Woodman, who was born in Aalborg, Denmark, served as an U.S. Representative for Illinois from 1895-1897. Jacob Johnson, who also emigrated from Aalborg, Denmark, in 1854 and later served one term as a U.S. Representative for Utah from 1912-1915. Niels Juul a lawyer, State Representative, and U.S. Representative from Illinois, was born in Randers, Denmark, and served in Congress from 1917-1921. Parley P. Christensen, a Utah politician and son of Danish immigrants, ran as a nominee of the Farmer-Labor Party for President of the United States in 1920. Andrew Petersen, an U.S. Representative from New York, was born in Thisted, Denmark, and emigrated with his parents to Boston in 1873, the family later moving to New York. Petersen served in Congress from 1921-1923. Charles Gustav Binderup, from Minden, NE, and who was born in Horsens in 1873, represented Nebraska's 4th District in the Congress from 1935-1939. Herman Carl Andersen, an U.S. Representative from Minnesota, was born in Washington state and after a career in Minnesota politics served in the House of Representatives from 1939-1963. Andersen's father emigrated from Denmark in the late 1870s and later moved his family to a Danish immigrant enclave in Tyler, Minnesota. Hjalmar Petersen, an emigrant from Eskildstrup, Denmark, Midwest journalist, and onetime mayor of Askov, Minnesota, served in the Minnesota Legislature, and later as the Lieutenant Governor. Upon the death of Governor Olson in 1936, he became the 23rd Governor of Minnesota. George A. Nelson, the 1936 Vice Presidential candidate of the Socialist Party of America, was born to Danish parents in rural Wisconsin. Morgan F. Larson, of Perth Amboy, NJ, the son of a Danish immigrant blacksmith, served as governor of New Jersey from 1929-32. Esther Peterson, the daughter of Danish Mormon immigrants, grew-up in Provo, Utah, and later served as Assistant Secretary of Labor and Director of the United States Women's Bureau for President John F. Kennedy, Special Assistant for Consumer Affairs under Presidents Lyndon B. Johnson and Jimmy Carter. She received the Presidential Medal of Freedom in 1981 and was named a delegate the UN as a UNESCO representative in 1993. Ted Sorensen, the 8th White House Counsel had a Danish father. Steny Hoyer, a Democratic member of the United States House of Representatives and the present House Minority Whip, is a native of New York City, but grew up in southern Maryland. Hoyer's father emigrated from Copenhagen, Denmark. Hoyer was bestowed a knighthood by the Queen of Denmark in 2008.

More to modern times, many Danes are actively involved in the movie industry. However today's air transportation no longer necessitates a Dane moving to America to be an artistic part of Hollywood. Among the few Danes who have moved to the U.S.A. to pursue acting careers is Connie Inge-Lise Nielsen, who was born in Denmark and today lives in Sausalito, California. Additionally, a few stars claim connection to Denmark via their Danish-American parents. For example, the actor Viggo Mortensen was born to a Danish father and an American mother. Likewise, actress Scarlett Johansson was also born to a Danish father.

Chris Madsen, the famous lawman of the Old West, was born Chris Madsen Rørmose in Denmark. After emigrating in 1876, he served for 15 years in the U.S. Army in the Fifth Cavalry and fought in many major Indian campaigns. After his discharge in 1891, Madsen became a deputy U.S. marshal in the Oklahoma Territory, where he apprehended or killed many outlaws. In 1898, he joined Theodore Roosevelt's Rough Riders, serving as Quartermaster Sergeant. After more service as a U.S. marshal, and at the outset of World War I, he tried to enlist in the U.S. Army but was rejected due to his age

Robert A. Arensen, FM1, USN, lost his life on December 7, 1941 at Pearl Harbor when the U.S.S. Helena was torpedoed. Arensen came from Perth Amboy, NJ. Dale M. Hansen, Pvt., USMC, earned his nation's highest military decoration — the Medal of Honor — for his outstanding heroism on 7 May 1945 in the fight for Hill 60 on Okinawa. He was killed by enemy sniper fire three days later. Hansen came from Wisner, Nebraska. Camp Hansen, one of the ten Marine Corps camps on Okinawa, is named in honor of Pvt. Hansen.

A leading executive in the automobile industry, William S. Knudsen, an emigrant from Copenhagen, Denmark, accepted President Franklin Roosevelt's urging to manage the task of overseeing America's vast wartime military armament and supply production. In 1942, Knudsen accepted a brevet commission and served for the duration of the war as a Lieutenant General in the U.S. Army.

Robert Hansen (Robert Christian Hansen) is a serial killer, who between 1980 and 1983 murdered between 17 and 21 people near Anchorage, Alaska. Hansen was born in Estherville, Iowa, to Christian and Edna Hansen. Hansen's father was a Danish immigrant baker and he worked in his father's bakery as a youth. It is theorized that Hansen began killing prostitutes around 1980. After paying women for her services, he would kidnap, torture, and rape them, further binding and flying them to his cabin in the Knik River Valley in his private airplane. Once there, he would release his victim on a river sandbar, stalk and then kill them with a hunting knife or carbine as they fled through the woods. Apprehended in 1983, Hansen was convicted in 1984 and sentenced to 461 years plus life, without chance of parole. He is currently imprisoned at Spring Creek Correctional Center in Seward, Alaska. The Hansen case served as inspiration for the action thriller Naked Fear (2007).

Thor Nis Christiansen was a serial killer from Solvang, California. He was born in Denmark and emigrated to Inglewood with his parents and on to Solvang when he was five years old. His father, Nis, ran a restaurant in Solvang. In sum, Thor Christiansen was obsessed with fantasies of shooting women and having sex with their corpses. Christiansen killed four women and his fifth victim escaped with serious wounds. After conviction, he was stabbed to death in Folsom State Prison in 1981.

Bjarne Skounborg, born Peter Kenneth Bostrøm Lundin, (more commonly known as Peter Lundin), is a convicted murderer. He was born in Solrød Strand, Denmark in 1971 and emigrated to the United States when he was seven years old. In April 1991, Lundin strangled his mother to death in Maggie Valley, North Carolina, and, with the help of his father, he buried her body on a Cape Hatteras beach, where it was later found. In 1992, Lundin was sentenced to 15 years imprisonment for the murder and in 1999 Lundin was released from prison for capacity reasons and deported back to Denmark. After his return to Denmark he was convicted for killing his girlfriend and her two sons and is currently serving life imprisonment.

George Anderson also known as George "Dutch" Anderson was an early Prohibition-era gang criminal in the mid-1920s. Anderson was born Ivan Dahl von Teler to a wealthy Danish family circa 1880, graduated from the universities of Heidelberg and Uppsala, and emigrated to the United States around the start of the 20th century. Anderson, along with Gerald Chapman (America’s first Public Enemy Number One), operated a Prohibition-era gang during the late 1910s until the mid-1920s. After settling in New York City, he and his associates successfully robbed a U.S. Mail truck of $2.4 million in cash, stocks, bonds, and jewelry, an act that was at the time the largest robbery in U.S. history and became known as the "Great Post Office Robbery of 1921." After even more robberies, Anderson and Chapman were finally captured, tried, and sentenced to 25 years in prison, to be served at the Atlanta Federal Penitentiary. However after serving a mere seven months Anderson and Chapman both escaped. Chapman was captured shortly after his escape and while a fugitive Anderson swore revenge. In Indiana he killed a key prosecution witness from Chapman's trial and drew further attention by passing poor-quality counterfeit currency in Michigan. Ultimately, Anderson was arrested, made a short-lived escape, and was killed in a police shootout while trying to flee on October 31, 1925. Anderson's remarkable criminal infamy included burglary, armed robbery, boot-legging, prison escape, counterfeiting, and murder.

Casper Holstein was a numbers racketeer who made a fortune in New York's Harlem neighborhoods. Born in 1878 on St. Croix, Danish West Indies, to a Danish military father and African descent mother, Holstein moved to New York City in 1894. After service in the U.S. Navy, the veteran Holstein eventually became involved in gambling and found a niche in the African-American neighborhoods of Harlem, where he devised a dime-based numbers betting enterprise. By the early 1920s, Holstein's system achieved huge popularity and he became known as the "Bolita King," earning him an estimated $5000 a day. Holstein used his illegal revenue for many philanthropic causes both within Harlem and back in the renamed U.S. Virgin Islands. Eventually, Holstein was muscled out of his operations by competing (white) organized crime. In 1935 Holstein was arrested and convicted of illegal gambling and served a one-year sentence. Upon release Holstein invested in real estate and offered mortgages to minorities in the Harlem community until his death in 1944, when a reported 2,000 people attended his funeral at Harlem's Memorial Baptist Church.

1 Poles came to the United States legally as Austrians, Germans, Prussians or Russians throughout the 19th century, because from 1772-1795 till 1918, all Polish lands had been partitioned between imperial Austria, Prussia (a protoplast of Germany) and Russia until Poland regained its sovereignty in the wake of World War I.